69734789 has 4 divisors (see below), whose sum is σ = 70386624. Its totient is φ = 69082956.

The previous prime is 69734767. The next prime is 69734813. The reversal of 69734789 is 98743796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69734789 - 2²⁰ = 68686213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 69734789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69734719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325757 + ... + 325970.

It is an arithmetic number, because the mean of its divisors is an integer number (17596656).

Almost surely, 2^69734789 is an apocalyptic number.

It is an amenable number.

69734789 is a deficient number, since it is larger than the sum of its proper divisors (651835).

69734789 is a wasteful number, since it uses less digits than its factorization.

69734789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651834.

The product of its digits is 2286144, while the sum is 53.

The square root of 69734789 is about 8350.7358358411. The cubic root of 69734789 is about 411.6073902278.

The spelling of 69734789 in words is "sixty-nine million, seven hundred thirty-four thousand, seven hundred eighty-nine".